Sometimes, the polar vortex simply stretches out, bringing quick bursts of cold air and some wintry weather to the U.S. In ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

The tropospheric polar vortex is a normal feature that influences weather across the globe every winter, while the ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

According to meteorologists and climatologists, critical changes in two major atmospheric patterns—La Nina and the polar ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

A rare event happening in the stratosphere could affect the polar vortex and cause a colder, snowier December in Michigan.

The polar vortex can be likened to a powerful wall of wind that contains ultra-cold Arctic air over the North Pole. When this vortex weakens, it allows cold air to spill southward into regions such as ...

A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a ...

An extreme warming event high in the atmosphere is threatening to disrupt the polar vortex. We break down what that could ...

The polar vortex is a large area of circulating cold air above the North Pole. Strong winds keep it contained, but when it ...

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south for Veterans' Day. But what is the Polar Vortex, exactly?